🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.94 AU

Year: 261 Days

Day: 21.2 Hours

Environment

Temp: 117 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.88 AU - 1.24 AU

Year: 413 Days

Day: 20.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,722,673 km

• M1: 123,269 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.82 AU - 2.68 AU

Year: 1278 Days

Day: 17.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 9.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.11 AU - 10.81 AU

Year: 10158 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,722,673 km

• M1: 387,758 km (0.063 R)
• M2: 863,928 km (0.056 R)
• M3: 1,298,809 km (0.086 R)
• M4: 1,922,632 km (0.029 R)
• M5: 2,840,714 km (0.073 R)
• M6: 3,260,785 km (0.076 R)
• M7: 4,287,026 km (0.11 R)
• M8: 10,594,671 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.8

Radius: 4.9

Gravity: 23.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.67 AU - 20.13 AU

Year: 29893 Days

Day: 20.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,722,673 km

• M1: 61,485 km (0.087 R)
• M2: 242,947 km (0.071 R)
• M3: 622,477 km (0.117 R)
• M4: 1,397,693 km (0.074 R)
• M5: 1,874,162 km (0.105 R)
• M6: 2,551,092 km (0.085 R)
• M7: 2,756,341 km (0.088 R)
• M8: 3,658,117 km (0.095 R)
• M9: 4,299,443 km (0.046 R)
• M10: 4,665,658 km (0.039 R)
• M11: 5,092,312 km (0.077 R)
• M12: 6,913,516 km (0.064 R)
• M13: 7,416,015 km (0.057 R)
• M14: 8,214,718 km (0.116 R)
• M15: 8,952,086 km (0.111 R)
• M16: 15,391,377 km (0.118 R)
• M17: 30,134,397 km (0.099 R)
• M18: 42,424,311 km (0.038 R)
• M19: 43,591,772 km (0.09 R)
• M20: 53,134,022 km (0.067 R)
• M21: 62,468,181 km (0.119 R)
• M22: 72,600,445 km (0.082 R)
• M23: 82,995,702 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.3

Radius: 5.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 17.19 AU - 21.13 AU

Year: 31764 Days

Day: 21.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,722,673 km

• M1: 72,405 km (0.087 R)
• M2: 265,686 km (0.097 R)
• M3: 1,608,476 km (0.095 R)
• M4: 2,948,873 km (0.115 R)
• M5: 4,034,804 km (0.115 R)
• M6: 4,935,234 km (0.091 R)
• M7: 8,477,263 km (0.07 R)
• M8: 11,793,847 km (0.101 R)
• M9: 16,599,380 km (0.077 R)
• M10: 18,792,185 km (0.106 R)
• M11: 30,249,288 km (0.089 R)
• M12: 30,466,504 km (0.073 R)
• M13: 38,737,770 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 14,916 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit